John Tapp September 7, 2021 Harness Racing, Harness Racing NSW, John Tapp Racing, History, NSW Harness Racing, Sky Racing, Trots SYDNEY’S FIRST INTERDOMINION! John Tapp September 7, 2021 Harness Racing, Harness Racing NSW, John Tapp Racing, History, NSW Harness Racing, Sky Racing, Trots We recently stumbled upon some high quality photographs from the 1952 Interdominion series - the eleventh to be conducted and the very first at Sydney’s iconic Harold Park Paceway.